Lowrance Hook-4X Ice Machine Mid/High Fishfinder Lowrance Hook-4X Ice Machine Mid/High Fishfinder View multiple CHIRP ranges from a single transducer Chirp sonar performance with a greater Number of affordable transducer, including Lowrance HD I skimmer View multiple CHIRP sonar settings on one display Track back to review recorded sonar history including structure, transitions or fish targets, then Pinpoint locations with a way point